The figure presented above is a complete wiring diagram of a Fast Charging Station for electric vehicles. This diagram illustrates an overview of how the wiring configuration is done and the functionality of it system. The key components of this system includes power source, charging units, high-power connectors and on-board chargers. This EV wiring diagram shows how the power supply is routed to the charging units, which are equipped with high-power connectors compatible with electric vehicles batteries that power the electric motor of the EV.